Founded in 1998, Skystone Feed Co., Ltd. is the world’s leading manufacturer of betaine with annual capacity 30, 000MT, its products including ethoxyquin, compound antioxidants, mould inhibitor, synbiotics, rumisure, garlicin, acidifier etc, which have been distributed to more than 40 countries in Europe, North America, South America and Asia. The company has got the certificates of ISO9001, ISO22000, FAMI-QS, ISO14001, OHSAS18001, HALAL, KOSHER and CLEANER PRODUCTION. It subsidiaries including Vietnam Star Biotechnology.